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NIPPON SIGNAL CO LTD

Overview
  • Total Patents
    5,908
  • GoodIP Patent Rank
    4,643
  • Filing trend
    ⇧ 58.0%
About

NIPPON SIGNAL CO LTD has a total of 5,908 patent applications. It increased the IP activity by 58.0%. Its first patent ever was published in 1964. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets transport, environmental technology and measurement are ARTHUR REGINALD ANGUS, ANSALDO STS AUSTRALIA PTY LTD and CHENGDU 91R INTELLIGENT TECH CO LTD.

Patent filings per year

Chart showing NIPPON SIGNAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sakai Masayoshi 192
#2 Shirai Toshihito 155
#3 Yomogihara Koichi 140
#4 Hoshino Takehiko 127
#5 Futsuhara Koichi 115
#6 Wada Hiroyuki 110
#7 Takahira Masahiro 102
#8 Sakurai Masaaki 97
#9 Nishimura Mitsuo 96
#10 Harada Jiyunichirou 95

Latest patents

Publication Filing date Title
WO2021079889A1 Inspection system
WO2021053869A1 Railway crossing gate
JP2019168725A Drive unit
JP2020203634A Monitoring device
JP2020203773A Inspection device
JP2020199876A Safety device operation number estimation method and system for the same
JP2020197489A Underground radar device
JP2020071217A Inspection system
JP2020189520A Facility monitoring device
JP2020177324A Charge management system
JP2020165788A Moving vehicle position detector
JP2020162310A Non-contact power supply system, power transmission device and power reception device
JP2020156212A On-board device and train control system
JP2020147211A Track circuit device
JP2020144575A Railway control system
JP2020144426A Information display system
JP2020140595A Guidance system
JP2020138630A Detection system
JP2020134212A Inspection system
JP2020126516A Notification device and notification system